Unverified80% confidenceDecision RuleTime unknown
遮光设计比蓝光认证更重要：灯头需可调角度且发光面在视线水平以下，避免直射眼睛，能覆盖A4横向宽度（约30cm）以上照射范围才够桌面使用
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified遮光角≥30°的深藏光源设计能避免眩光直射眼睛，灯头可调节角度的比固定灯头更能覆盖大桌面并减少反射眩光86% similarUnverified落地式或大灯头护眼灯的照射直径通常比小台灯大，能覆盖A4纸整页避免边缘明暗差，桌面大或需照亮整个书本时更适合82% similarUnverified照度均匀性（中心与边缘照度比）越高越护眼，但大发光面均匀设计会牺牲便携性和台面占用；小户型书桌选可折叠灯臂宽光型即可，无需追求超大导光板80% similarUnverified给儿童选购时不建议只看'护眼'宣传而忽视灯臂高度和照射范围，灯臂高度＜40cm或照射直径＜40cm的台灯，无法覆盖A4作业本全幅，会造成边缘阴影80% similarUnverified宽幅对称式发光面（导光板/多颗LED阵列）比单点光源灯珠照度均匀性更好，遮光角设计应保证正常坐姿看不到刺眼灯珠，避免眩光进入视野79% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/237244API
curl https://kongchang.com/api/v1/knowledge/claims/237244MCP
get_claim(id=237244)